Title Authors Year
A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature

Beattie, R.…

1991
Environmental Health Criteria 125 Platinum

WHO,

 		1991
Zeigerwerte von Pflanzen in Mitteleuropa

Ellenberg,…

1991
Effects of ionising radiation on aquatic organisms

National…

1991
The mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system

Meharg, A.…

1991
The effects of acid deposition on nature conservation in Great Britain

Ormerod, S.…

1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition

Morris, J.T…

1991
Acid deposition: its nature and impacts

Last, F.T…

1991
Concurrent exposure to SO2 and/or NO2 alters groweth and Yield responses of wheat and barley to low concentrations of O3.

Adaros, G…

1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.

Hove, L.W.A…

1991